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- On Monday, Tuesday, and Wednesday, Rhonda and Joe were very busy and did not have time to compute their totals for the day. Help Rhonda and Joe compute their totals.
- How much candy was made on Monday?
- How much candy was made on Tuesday?
- Show or tell how you can use mental math to find the amount of candy made on Tuesday.
- How much candy was made on Wednesday?
- Estimate about how much candy Rhonda made on all three days together.
- Estimate about how much candy Joe made on all three days.
- Estimate about how much candy Rhonda and Joe made altogether on Monday, Tuesday, and Wednesday.
- Solve the following problems. Use any method you wish.
- Choose a problem from Question 4 to solve using a mental math strategy. Compare your solutions.
- Replace n with a number to make each number sentence a true statement. The first is an example.
- 200 + n + 19 = 200 + 60 + 9
- n + 23 = 50 + 13
- 100 + 38 = 100 + n + 8
- 300 + 30 + n = 300 + 54
- 90 + n = 100 + 20 + 7
Soup Labels per Day
Ex. 40 + 16 = n + 6 
n = 50
n = 50